978203 has 2 divisors, whose sum is σ = 978204. Its totient is φ = 978202.

The previous prime is 978181. The next prime is 978209. The reversal of 978203 is 302879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 978203 - 2¹² = 974107 is a prime.

It is a super-2 number, since 2×978203² = 1913762218418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (978209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489101 + 489102.

It is an arithmetic number, because the mean of its divisors is an integer number (489102).

2⁹⁷⁸²⁰³ is an apocalyptic number.

978203 is a deficient number, since it is larger than the sum of its proper divisors (1).

978203 is an equidigital number, since it uses as much as digits as its factorization.

978203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 978203 is about 989.0414551474. The cubic root of 978203 is about 99.2680894724.

It can be divided in two parts, 97 and 8203, that multiplied together give a triangular number (795691 = T₁₂₆₁).

The spelling of 978203 in words is "nine hundred seventy-eight thousand, two hundred three".